calling the genus Lepomis "perch" seems to have originated in the Ozarks . . .
So, we're blamin' the R-Kansans, huh?
Interesting, though. Citation?
People also call Micropterus "bass"
At least one fellow in Mississippi and another in Georgia called them "trout." The Georgian corrected one person's childish ignorance by chuckling and letting him know that, "A baiss and a trout's the same thang."